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Finding the Fourth Proportional to 480,712.17, 663,378.61 and 265,847.62

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Solution

The fourth proportional to 480,712.17, 663,378.61 and 265,847.62 is: 366,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,712.17 : 663,378.61 = 265,847.62 : x
  2. Step 2: Convert to fraction form
    480,712.17/663,378.61 = 265,847.62/x
  3. Step 3: Cross multiply
    480,712.17x = 663,378.61 × 265,847.62
  4. Step 4: Simplify right side
    480,712.17x = 176,357,624,046.64
  5. Step 5: Solve for x
    x = 176,357,624,046.64/480,712.17
  6. Step 6: Final answer
    x = 366,867.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.